Each return visit to a veterinarian would cost the exam, urinalysis, and perhaps additional fees to equal $100-200 per recheck vs. $5-7 per the TEST@HOME refill. LAWN + URINE 4 month refill-4 urine test strips in a re-sealable package. •Easy to do-just place the test strip in the urine on the floor, etc., wait 60 seconds, then compare to the color chart provided. •Save time and money on equally accurate urine tests-same test strips used in our licensed Vet Lab. •Refill saves money on repeat testing. Save time and money with no repeat trips to your veterinarian.